#include <iostream> #include <string.h> using namespace std; int main(){ char a[1001],b[1001],ans[1001]; int len_a,len_b,s; while(gets(a)!=NULL){ gets(b); len_a = (int)strlen(a); len_b = (int)strlen(b); s = 0; for(int j=0;j<len_a;j++){ for(int k=0;k<len_b;k++){ if(a[j]==b[k]){ ans[s++] = a[j]; b[k]='0'; //防止重复 break; } } } ans[s] = '\0'; //排序 for(int j=0;j<s;j++){ for(int k=0;k<s-1-j;k++){ if(ans[k]>ans[k+1]){ char tmp = ans[k]; ans[k] = ans[k+1]; ans[k+1] = tmp; } } } printf("%s\n",ans); } return 0; } |
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